/***************************************************************************
 *   Copyright (C) 2008 by Rysiek Krol,,,   *
 *   rysiek@Babylon2   *
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 *   This program is distributed in the hope that it will be useful,       *
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
 *   GNU General Public License for more details.                          *
 *                                                                         *
 *   You should have received a copy of the GNU General Public License     *
 *   along with this program; if not, write to the                         *
 *   Free Software Foundation, Inc.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/
#ifndef FILEOPERATIONSHANDLER_H
#define FILEOPERATIONSHANDLER_H

#include <QThread>
#include <QWaitCondition>
#include <QMutex>
#include <QFileInfo>
#include <QList>

#include "imageloader.h"


class PictureManager;

/**
	@author Rysiek Krol <rysiek.krol@gmail.com>
*/
class FileOperationsHandler : public QThread
{
    Q_OBJECT
public:
	//public Enums
	enum ErrorCause {Unknown = 0,
					FileDoesNotExist = 1,
                                        PermissionDenined = 2,
                                        FileExist = 3,
                                        CannotReadFile = 4,
                                        CannotDeleteFile=5
	};
    enum ActionSource {BrowserWidget=0, TreeWidget=1};
    enum OperationType {Rename = 0,
    					Delete = 1, 
    					Copy = 2, 
    					Move = 3, 
    					MakeDir=4, 
    					RemoveComments=5, 
    					SaveTransformedImage=6};
    //public Methods
    FileOperationsHandler(PictureManager* parent, 
                                                FileOperationsHandler::OperationType action,
    						QList<QFileInfo*> *pliki, 
    						QString newFileName = "");
    FileOperationsHandler(PictureManager* parent, 
                                                FileOperationsHandler::OperationType action,
    						QList<QFileInfo*> *pliki, QList<ImageLoader::Action> 
    						listaAkcji, bool 
    						showProgressDialogue = true);
    ~FileOperationsHandler();
    void setForAll(bool value);
    void setYesAnswer(bool value);
    void setIsCanceled(bool theValue);
    //public attributes
    QWaitCondition waitError;
    QMutex waitMutex;

protected:
    void run();

private:
	//private attributes
    QMutex mutex;
    PictureManager *manager;
    FileOperationsHandler::OperationType action;
    QList<QFileInfo*> *lista;
    QListIterator<QFileInfo*> *iterator;
    QList<ImageLoader::Action> listaAkcji;
    bool isCanceled;
    bool isForAll;
    bool yesAnswer;
    bool showProgressDialogue;
    QString newFileName;
    //Private methods
    void renameAction();
    void copyAction();
    void deleteAction();
    void moveAction();
    void makeDirAction();
    void removeCommentsAction();
    bool copyFiles(QString fromFile, QString toFile);
    void transformAndSaveImage();
    void removeDirectory(QDir dir);
    void makeFileList();
    void addDirToList(QDir dir);
    void operationRoate(QImage *image, int degree);
    FileOperationsHandler::ErrorCause findErrorCause(QFileInfo &fileInfo, QFileInfo *toFileinfo = new QFileInfo());
    void handleOperationError(QFileInfo &fileInfo, QFileInfo *toFileinfo = new QFileInfo());
};

#endif
